testing inlay hints snapshot with default config

compiler-core/src/language_server/tests.rs

@@ -7,7 +7,7 @@ mod hover;
 mod inlay_hints;
 mod signature_help;
 
-use super::configuration::{Configuration, InlayHintsConfig};
+use super::configuration::Configuration;
 use crate::{
     config::PackageConfig,
     io::{
@@ -354,13 +354,6 @@ fn add_path_dep<B>(engine: &mut LanguageServerEngine<LanguageServerTestIO, B>, n
     )
 }
 
-/// For testing purposes, turn all the flags on
-fn default_test_config() -> Configuration {
-    Configuration {
-        inlay_hints: InlayHintsConfig { pipelines: true },
-    }
-}
-
 fn setup_engine(
     io: &LanguageServerTestIO,
 ) -> LanguageServerEngine<LanguageServerTestIO, LanguageServerTestIO> {
@@ -371,7 +364,7 @@ fn setup_engine(
         io.clone(),
         FileSystemProxy::new(io.clone()),
         io.paths.clone(),
-        Arc::new(RwLock::new(default_test_config())),
+        Arc::new(RwLock::new(Configuration::default())),
     )
     .unwrap()
 }

compiler-core/src/language_server/tests/inlay_hints.rs

@@ -1,4 +1,7 @@
-use crate::language_server::tests::{setup_engine, LanguageServerTestIO};
+use crate::language_server::{
+    configuration::{Configuration, InlayHintsConfig},
+    tests::{setup_engine, LanguageServerTestIO},
+};
 use lsp_types::{InlayHintParams, Position, Range};
 
 #[test]
@@ -137,9 +140,46 @@ fn hints_in_use() {
     insta::assert_snapshot!(hints);
 }
 
+#[test]
+fn do_not_show_hints_by_default() {
+    let src = r#"
+          const int_val = 0
+
+          fn identity(x) {
+            x
+          }
+
+          fn ret_str(_x) {
+            "abc"
+          }
+
+          pub fn example_pipe() {
+            int_val
+            |> ret_str()
+            |> identity()
+          }
+      "#;
+
+    let hints = inlay_hints_for_config(src, Configuration::default());
+    insta::assert_snapshot!(hints);
+}
+
 fn inlay_hints(src: &str) -> String {
+    inlay_hints_for_config(
+        src,
+        Configuration {
+            inlay_hints: InlayHintsConfig { pipelines: true },
+        },
+    )
+}
+
+fn inlay_hints_for_config(src: &str, user_config: Configuration) -> String {
     let io = LanguageServerTestIO::new();
     let mut engine = setup_engine(&io);
+    {
+        let mut config = engine.user_config.write().expect("cannot write config");
+        *config = user_config;
+    }
 
     _ = io.src_module("app", src);
     let response = engine.compile_please();

compiler-core/src/language_server/tests/snapshots/gleam_core__language_server__tests__inlay_hints__do_not_show_hints_by_default.snap

@@ -0,0 +1,5 @@
+---
+source: compiler-core/src/language_server/tests/inlay_hints.rs
+expression: hints
+---
+[]